UNC EDUC 181 Final Exam with Complete Solutions

UNC EDUC 181 Final Exam with Complete Solutions family form members of the family system; who is in your family family function the way the family operates to meet the needs of the members human development and family studies the study of how people change from womb to tomb and the study of family forms and how said families function empirical research carefully planned and systemic way of testing hypotheses and answering questions, following agreed-upon guidelines basic research conducted to test and build theories applied research motivated by, and aimed to solve, real world problems; cyclical process applied research process problem - research topic - research question - research answer reliability consistency of repeatability of results validity the extent to which a test measures or predicts what it is supposed to probability sampling every person from the population has an equal opportunity to participate -- sample is representative of the population nonprobability sampling not every person from the population has an equal opportunity to participate -- sample is NOT representative of the population quantitative research research that collects and reports data primarily in numerical form; objective data qualitative research informal research methods, including observation, following social media sites, in-depth interviews, focus groups; subjective data correlational studies relation between variables experimental studies looking for causation independent variable variable that is manipulated dependent variable The outcome factor; the variable that may change in response to manipulations of the independent variable. random assignment assigning participants to experimental and control conditions by chance, thus minimizing preexisting differences between those assigned to the different groups quasi-experimental studies Studies that fit most of the criteria for true experiments, with the important exception that the participants are not assigned to groups at random. Instead, existing groups such as classes or schools participate in the experiments. basic premises for experimental research design independent + dependent variable and random assignment longitudinal studies examines the same group of the same age over a long period of time cross-sectional studies different age groups